/*
 * Copyright 2004-2006 the Seasar Foundation and the Others.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, 
 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.seasar.struts.taglib.html;

import javax.servlet.jsp.JspException;

import org.seasar.framework.util.Base64Util;
import org.seasar.framework.util.IntegerConversionUtil;
import org.seasar.framework.util.StringUtil;
import org.seasar.struts.taglib.TagUtil;
import org.seasar.struts.util.S2StrutsContextUtil;

/**
 * @author Satoshi Kimura
 */
public class SubmitTag extends org.apache.struts.taglib.html.SubmitTag {
    private static final long serialVersionUID = 3565695013866921990L;

    protected String indexId;

    protected String action;

    protected boolean cancel;

    public int doEndTag() throws JspException {
        setMethodBindingExpression();
        setCancelAction();
        int ret = super.doEndTag();
        property = null;
        return ret;
    }

    public void release() {
        super.release();
        this.indexId = null;
        this.action = null;
        this.cancel = false;
    }

    /**
     * @return Returns the indexId.
     */
    public String getIndexId() {
        return this.indexId;
    }

    /**
     * @param indexId
     *            The indexName to set.
     */
    public void setIndexId(String indexId) {
        this.indexId = indexId;

        if (indexId != null) {
            super.indexed = true;
        }
    }

    public String getAction() {
        return this.action;
    }

    public void setAction(String action) {
        this.action = action;
    }

    public boolean isCancel() {
        return this.cancel;
    }

    public void setCancel(boolean cancel) {
        this.cancel = cancel;
    }

    protected void prepareIndex(StringBuffer handlers, String name) throws JspException {
        if (this.indexId == null) {
            super.prepareIndex(handlers, name);
            return;
        }
        Object index = super.pageContext.getAttribute(this.indexId);
        handlers.append("[");
        handlers.append(IntegerConversionUtil.toPrimitiveInt(index));
        handlers.append("]");
    }

    protected void setMethodBindingExpression() throws JspException {
        if (StringUtil.isEmpty(this.action)) {
            return;
        }
        if (StringUtil.isEmpty(super.property)) {
            super.property = Base64Util.encode(this.action.getBytes());
        }
        String val = super.value;
        if (val == null) {
            val = super.text;
        }
        if (val == null) {
            val = getDefaultValue();
        }
        String mappingName = TagUtil.getActionMappingName(this.pageContext);
        S2StrutsContextUtil.setMethodBindingExpression(mappingName, super.property, val, this.action);
    }

    protected void setCancelAction() throws JspException {
        if (!this.cancel) {
            return;
        }

        String val = super.value;
        if (val == null) {
            val = super.text;
        }
        if (val == null) {
            val = getDefaultValue();
        }
        String mappingName = TagUtil.getActionMappingName(this.pageContext);
        S2StrutsContextUtil.setCancelAction(mappingName, super.property, val);
    }

}